What Is QA Testing and Why Is It So Important?

Juliet D'cruz

Updated on:

Did you know that Quality Assurance (QA) in its most recent iteration dates back to World War II? Ammunition had to undergo strict procedural testing to make sure it was suitable for use.

In today’s society, QA is most often found in technical industries as well as industrial. It is the process of testing the software, application, website, or product to ensure it meets the required standards.

QA testing is often considered the last step in the development cycle. It is also one of the most critical steps in the entire process because if it fails, the whole project could fail.

So, what is QA testing? And why is it so important? Let’s find out.

What Is QA Testing?

QA Testing is a set of activities performed after all other phases are complete. The purpose of this phase is to test whether the application works as intended. This includes checking its functionality, usability, performance, reliability, and security.

The goal of QA testing is to make sure that everything about your app functions in the right way. If something doesn’t work as intended, you want to know right away. You don’t want users to experience any problems when they use your app.

These tests involve a QA tester, meaning someone who’s qualified in Quality Assurance. These specialists make sure the testing is as thorough as possible.

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The importance of QA Testing

You can’t ignore the importance of QA testing. Here are some reasons why you need to perform these tests on your projects:

To Ensure That Your App Works As Intended

When you launch your app into production, there will always be bugs. Bugs happen during the design stage, coding stage, and even at the end of the deployment stage. Yet, if you’ve already tested your app, the chances are very slim that anything bad would occur.

To Make Sure Users Have A Positive Experience With Your Application

Users expect certain things from their apps. They expect them to function well, look good, and feel great. When people download your app, they’ll see how easy it was to navigate through the interface and how intuitive it operates.

They may notice small issues but won’t mind since they were able to fix them themselves. But if they encounter major errors, they might get frustrated and uninstall your app altogether.

This means that you must conduct QA testing to make sure that your app has no flaws whatsoever.

To Find Out What Problems Could Occur In Future Releases Of Your Product

If you’re planning for future releases, then you should start thinking about QA testing now. By doing so, you’ll save yourself time and money down the road.

You wouldn’t want to spend hours fixing an issue only to realize later that it wasn’t actually a problem with your product. Instead, you’d rather discover those issues before releasing your next version.

To Save Money and Time

When it comes down to it, all the pointers above intend to save time and money. QA Testing is important because it ensures that all aspects of your application work in the right way.

If something goes wrong, then you know exactly what needs fixing. This way, you don’t have to waste time trying to figure out where the error occurred.

You also avoid wasting resources by having to re-do everything again. And finally, you prevent users from experiencing frustration due to buggy software.

And as we all know, fewer users and a bad experience mean less revenue coming into the businesses, while more time goes on fixing the issues in the first place.

How does a QA Software Tester perform QA Testing?

QA Software testers use a variety of methods when QA testing. Some of these include:


Automation allows developers to create test cases without any human intervention. The automation process usually takes place after development is complete.

The testing team can then run the automated tests against a set of requirements, called acceptance criteria or user stories. This ensures that all features meet their functional specifications before they go live.

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Unit Tests

Unit tests help ensure that each individual component works well. For example, unit tests verify whether a button displays as it should on screen. These tests are often written using programming languages such as Java or Python.

Integration Test Cases

Integration test cases check many components working together. An integration test case verifies whether data flows between different parts of the application.

The purpose of an integration test is to verify that all the pieces work okay, so you can be sure your software will perform as expected when it’s deployed in production.

Integration tests are also useful for verifying changes made by developers. They help ensure that a change doesn’t break existing functionality.

QA testing involves checking how well each part works by itself before integrating them into one system. This ensures that individual features don’t cause problems with others.

Acceptance Test Cases

Acceptance test cases allow developers to check the entire system functions as intended. These types of test cases can take weeks or months to run depending on the complexity of the project.

The purpose of acceptance testing is to ensure that a product meets its functional requirements, including those related to quality.

Acceptance tests coexist with other forms of software testing. These include unit testing, integration testing, and performance testing. Tests like these give an insight into how well an application performs under real-world conditions.

QA testers use different tools for each type of testing they perform. For example, regression testing may be performed using manual methods while load testing might require automated scripts.

Focus on Quality Assurance Today

So, now you know the answer to “What is QA testing?”. QA testing is important because it helps keep your business running smoothly.

If you don’t have enough manpower to do this task manually, then consider hiring a professional QA tester who specializes in mobile applications. Make sure you conduct your own QA on your QA, of course!

Keep reading for more quality-assured content and advice!

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